We all know it's going to be scary, because there's this huge super weapon that will blow up star systems, destroying all of their planets, and killing many billions of people and lives on them, that will beat anything else.

Not exactly as scary as the other two, but it was very scary, as Anakin Skywalker, aka Darth Vader, was burning on the hell planet Mustafar after losing to Obi Wan Kenobi., that scene was way too scary for many people, and caused an emotional outrage.